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Reservoir, Overflow, and Expansion Tanks

Reservoir, Overflow, and Expansion Tanks

  • Direct-fit and universal options
  • Aluminum construction
  • Multiple color and finish options
  • Lifetime Warranty
Reservoir, Overflow, and Expansion Tanks
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    Direct-fit kits

    Mishimoto direct-fit expansion tanks are designed for a bolt-in install.

    Multiple colors and finishes

    Mishimoto reservoir, overflow, and expansion tanks are available in a variety of colors and finishes to spice up your engine bay.

    Aluminum construction

    Mishimoto overflow, reservoir, and expansion tanks are 100% aluminum and TIG-welded where applicable for increased durability.

    Aluminum construction

    All Mishimoto products carry a Lifetime Warranty including accident protection.

    Reservoir, Expansion, and Overflow Tanks 

    Mishimoto offers a wide range of coolant tanks including, reservoir tanks, overflow tanks, and expansion tanks, designed to enhance your vehicle's cooling system and ensure efficient coolant management. Our reservoir tanks are expertly engineered and constructed using high-quality materials for optimal performance and reliability.


    Mishimoto's overflow tanks are designed to capture and store excess coolant that expands during engine operation. While our expansion tanks provide additional coolant storage capacity and ensure that the cooling system can accommodate coolant expansion without compromising performance. Lastly our reservoir tanks are designed as direct replacements for your stock tanks, ensuring a seamless fit and compatibility with your vehicle's cooling system. 


    If you're looking for more upgrades to enhance your vehicle's cooling system, Mishimoto has you covered. Our product lineup includes a variety of cooling system components, such as radiators, intercoolers, hoses, and more.